{"id":749,"date":"2012-07-16T13:58:10","date_gmt":"2012-07-16T06:58:10","guid":{"rendered":"http:\/\/blog.iwayvietnam.com\/tuanta\/?p=749"},"modified":"2012-07-16T14:13:57","modified_gmt":"2012-07-16T07:13:57","slug":"10-dieu-ban-co-the-chua-biet-ve-asterisk","status":"publish","type":"post","link":"https:\/\/blog.iwayvietnam.com\/tuanta\/2012\/07\/10-dieu-ban-co-the-chua-biet-ve-asterisk\/","title":{"rendered":"10 \u0111i\u1ec1u c\u00f3 th\u1ec3 b\u1ea1n ch\u01b0a bi\u1ebft v\u1ec1 Asterisk"},"content":{"rendered":"

N\u1ebfu b\u1ea1n v\u1eabn \u0111ang s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng tho\u1ea1i t\u1eeb th\u1ebf k\u1ef7 tr\u01b0\u1edbc, b\u1ea1n c\u00f3 th\u1ec3 ch\u01b0a bi\u1ebft nh\u1eefng h\u1ec7 th\u1ed1ng tho\u1ea1i tr\u00ean Asterisk ng\u00e0y nay c\u00f3 th\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c nh\u1eefng g\u00ec. C\u00f2n n\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng Asterisk, nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n t\u1eadn d\u1ee5ng t\u1ed1i \u0111a kh\u1ea3 n\u0103ng c\u1ee7a h\u1ec7 th\u1ed1ng tho\u1ea1i tr\u00ean Asterisk c\u1ee7a m\u00ecnh.<\/p>\n

10. K\u1ebft n\u1ed1i \u0111\u1ebfn d\u1ecbch v\u1ee5 th\u01b0 m\u1ee5c t\u1eadp trung LDAP
\n<\/strong> Asterisk c\u00f3 th\u1ec3 x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng v\u1edbi d\u1ecbch v\u1ee5 th\u01b0 m\u1ee5c t\u1eadp trung LDAP<\/a>, Lotus Domino, Apple OpenDirectory, ho\u1eb7c Active Directory.<\/p>\n

9. K\u1ebft n\u1ed1i s\u1eed d\u1ee5ng Google Voice v\u00e0 GTalk <\/strong>
\n S\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 c\u1ee7a Google v\u1edbi Asterisk<\/a> \u0111\u1ec3 g\u1eedi\/nh\u1eadn cu\u1ed9c g\u1ecdi mi\u1ec5n ph\u00ed v\u1edbi nh\u1eefng ng\u01b0\u1eddi d\u00f9ng Google kh\u00e1c c\u0169ng nh\u01b0 v\u1edbi \u0111i\u1ec7n tho\u1ea1i th\u01b0\u1eddng.<\/p>\n

8. T\u00edch h\u1ee3p L\u1ecbch<\/strong> l\u00e0m vi\u1ec7c<\/strong>
\nNh\u1eadn cu\u1ed9c g\u1ecdi t\u1eeb Asterisk nh\u1eafc l\u1ecbch h\u1ecdp, hay th\u1eadm ch\u00ed l\u00e0 t\u1ef1 \u0111\u1ed9ng k\u1ebft n\u1ed1i b\u1ea1n v\u1edbi m\u1ed9t phi\u00ean t\u1ecda \u0111\u00e0m \u0111\u00e3 \u0111\u1eb7t l\u1ecbch. Asterisk calendaring API<\/a> t\u01b0\u01a1ng th\u00edch v\u1edbi iCalendar, CalDAV, c\u0169ng nh\u01b0 Exchange.<\/p>\n

7. Th\u1ec3 hi\u1ec7n tr\u1ea1ng th\u00e1i thi\u1ebft b\u1ecb \u0111\u00e0m tho\u1ea1i v\u1edbi Jabber\/XMPP <\/strong>
\nTh\u1ec3 hi\u1ec7n tr\u1ea1ng th\u00e1i thi\u1ebft b\u1ecb \u0111\u00e0m tho\u1ea1i<\/a> qua giao th\u1ee9c nh\u1eafn tin t\u1ee9c th\u1eddi (Chat) chu\u1ea9n (Jabber\/XMPP).<\/p>\n

6. PITCH_SHIFT v\u00e0 JACK<\/strong>
\nTrong c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01a1n gi\u1ea3n, c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u1ed9 \u01b0u ti\u00ean c\u1ee7a cu\u1ed9c g\u1ecdi v\u1edbi h\u00e0m PITCH_SHIFT<\/a>, ho\u1eb7c chuy\u1ec3n cu\u1ed9c g\u1ecdi qua c\u00e1c b\u1ed9 x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1eed d\u1ee5ng JACK<\/a>.<\/p>\n

5. T\u00edch h\u1ee3p Th\u01b0 tho\u1ea1i-Th\u01b0 \u0111i\u1ec7n t\u1eed<\/strong>
\nAsterisk t\u1eeb l\u00e2u \u0111\u00e3 cho ph\u00e9p g\u1eedi th\u01b0 tho\u1ea1i qua h\u1ec7 th\u1ed1ng th\u01b0 \u0111i\u1ec7n t\u1eed, nh\u01b0ng b\u1ea1n \u0111\u00e3 bao gi\u1edd bi\u1ebft r\u1eb1ng Asterisk c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng l\u01b0u c\u00e1c th\u00f4ng \u0111i\u1ec7p th\u01b0 tho\u1ea1i tr\u1ef1c ti\u1ebfp trong IMAP<\/a>? V\u1edbi Asterisk, b\u1ea1n c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng th\u01b0 \u0111i\u1ec7n t\u1eed v\u00e0 th\u01b0 tho\u1ea1i chung th\u1ed1ng nh\u1ea5t.<\/p>\n

4. \u0110\u1ecdc v\u0103n b\u1ea3n v\u00e0 nh\u1eadn d\u1ea1ng gi\u1ecdng n\u00f3i !
\n<\/strong> Asterisk c\u00f3 kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p tr\u1ef1c ti\u1ebfp v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ecdc v\u0103n b\u1ea3n (text-to-speech – TTS) v\u00e0 t\u1ef1 \u0111\u1ed9ng nh\u1eadn d\u1ea1ng gi\u1ecdng n\u00f3i (automatic speech-recognition – ASR) th\u00f4ng d\u1ee5ng h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi, nh\u01b0 Cepstral<\/a>, Vestec<\/a>, v\u00e0 Lumenvox<\/a>. H\u00e3y \u0111\u1ec3 Asterisk n\u00f3i thay b\u1ea1n, v\u00e0 hi\u1ec3u nh\u1eefng g\u00ec b\u1ea1n tr\u1ea3 l\u1eddi!<\/p>\n

3. T\u00edch h\u1ee3p CSDL<\/strong>
\nKh\u00f4ng c\u1ea7n th\u00eam b\u1ea5t c\u1ee9 m\u1ed9t gi\u1ea5y ph\u00e9p \u0111\u1eb7c bi\u1ec7t hay c\u00e1c l\u1edbp m\u1edf r\u1ed9ng, Asterisk c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng CSDL t\u01b0\u01a1ng th\u00edch ODBC \u0111\u1ec3 x\u00e1c th\u1ef1c c\u0169ng nh\u01b0 l\u01b0u tr\u1eef nh\u1eadt k\u00fd cu\u1ed9c g\u1ecdi gi\u00fap cho vi\u1ec7c qu\u1ea3n tr\u1ecb ng\u01b0\u1eddi d\u00f9ng v\u00e0 l\u1eadp b\u00e1o c\u00e1o tr\u1edf n\u00ean d\u1ec5 d\u00e0ng.<\/p>\n

2. C\u00e1c tr\u00f2 ch\u01a1i h\u00e0ng \u0111\u1ee3i v\u1edbi Asterisk<\/strong>
\nM\u1ed9t v\u00e0i qu\u1ea3n tr\u1ecb vi\u00ean h\u1ec7 th\u1ed1ng Asterisk c\u1ea5p ti\u1ebfn \u0111\u00e3 thay \u0111\u1ed5i c\u00e1ch th\u1ee9c x\u1eed l\u00fd h\u00e0ng \u0111\u1ee3i cu\u1ed9c g\u1ecdi. Ng\u00e0y nay, thay v\u00ec ch\u1edd \u0111\u1ee3i t\u1edbi l\u01b0\u1ee3t m\u00ecnh trong khi nghe c\u00e1c gi\u1ecdng nh\u1eafc l\u1eb7p \u0111i l\u1eb7p l\u1ea1i nhi\u1ec1u ng\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 tham gia c\u00e1c tr\u00f2 ch\u01a1i h\u1ecfi \u0111\u00e1p tr\u1ef1c ti\u1ebfp. B\u1ecf qua tr\u00f2 ch\u01a1i v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nh\u1eafc qua l\u1ea1i cu\u1ed9c g\u1ecdi. Tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi \u0111\u00fang c\u0169ng gi\u00fap b\u1ea1n chen h\u00e0ng l\u00ean tr\u01b0\u1edbc ng\u01b0\u1eddi \u0111ang ch\u1edd ph\u00eda tr\u01b0\u1edbc b\u1ea1n; ho\u1eb7c l\u00e0m m\u1ed9t v\u00e0i th\u1ee9c \u00edt th\u00e1ch th\u1ee9c h\u01a1n, nh\u01b0 cho ph\u00e9p b\u1ea1n b\u1ecf m\u00e1y v\u00e0 t\u1ef1 \u0111\u1ed9ng g\u1ecdi l\u1ea1i b\u1ea1n khi \u0111\u01b0\u1eddng d\u00e2y s\u1eb5n s\u00e0ng.<\/p>\n

1. H\u1ed7 tr\u1ee3 \u0111\u00e0m tho\u1ea1i b\u0103ng th\u00f4ng si\u00eau r\u1ed9ng<\/strong>
\nAsterisk \u0111\u00e3 lu\u00f4n h\u1ed7 tr\u1ee3 nhi\u1ec1u kh\u1ea3 n\u0103ng m\u00e3 h\u00f3a \u00e2m thanh, ngo\u1ea1i tr\u1eeb c\u00e1c c\u1ea3i ti\u1ebfn m\u1edbi nh\u1ea5t v\u1ec1 chu\u1ea9n \u00e2m thanh trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u00e0m tho\u1ea1i<\/a>. Phi\u00ean b\u1ea3n Asterisk 10 h\u1ed7 tr\u1ee3 \u00e2m thanh ch\u1ea5t l\u01b0\u1ee3ng CD (16-bit, 44.1kHz) cho \u0111\u1ebfn c\u00e1c m\u1ee9c ch\u1ea5t l\u01b0\u1ee3ng cao nh\u1ea5t Blu-ray v\u00e0 DTS-HD v\u1edbi t\u1ea7n s\u1ed1 \u00e2m thanh l\u00ean \u0111\u1ebfn 192kHz, \u0111\u1ed9 trung th\u1ef1c cao nh\u1ea5t trong chu\u1ea9n \u0111\u00e0m tho\u1ea1i!<\/p>\n

Ngu\u1ed3n: blogs.digium.com<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

N\u1ebfu b\u1ea1n v\u1eabn \u0111ang s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng tho\u1ea1i t\u1eeb th\u1ebf k\u1ef7 tr\u01b0\u1edbc, b\u1ea1n c\u00f3 th\u1ec3 ch\u01b0a bi\u1ebft nh\u1eefng h\u1ec7 th\u1ed1ng tho\u1ea1i tr\u00ean Asterisk ng\u00e0y nay c\u00f3 th\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c nh\u1eefng g\u00ec. C\u00f2n n\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng Asterisk, nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n t\u1eadn d\u1ee5ng t\u1ed1i \u0111a kh\u1ea3 n\u0103ng c\u1ee7a h\u1ec7Continue reading “10 \u0111i\u1ec1u c\u00f3 th\u1ec3 b\u1ea1n ch\u01b0a bi\u1ebft v\u1ec1 Asterisk”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,34],"tags":[],"class_list":["post-749","post","type-post","status-publish","format-standard","hentry","category-asterisk","category-weekly-tips","entry"],"_links":{"self":[{"href":"https:\/\/blog.iwayvietnam.com\/tuanta\/wp-json\/wp\/v2\/posts\/749"}],"collection":[{"href":"https:\/\/blog.iwayvietnam.com\/tuanta\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.iwayvietnam.com\/tuanta\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.iwayvietnam.com\/tuanta\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.iwayvietnam.com\/tuanta\/wp-json\/wp\/v2\/comments?post=749"}],"version-history":[{"count":3,"href":"https:\/\/blog.iwayvietnam.com\/tuanta\/wp-json\/wp\/v2\/posts\/749\/revisions"}],"predecessor-version":[{"id":751,"href":"https:\/\/blog.iwayvietnam.com\/tuanta\/wp-json\/wp\/v2\/posts\/749\/revisions\/751"}],"wp:attachment":[{"href":"https:\/\/blog.iwayvietnam.com\/tuanta\/wp-json\/wp\/v2\/media?parent=749"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.iwayvietnam.com\/tuanta\/wp-json\/wp\/v2\/categories?post=749"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.iwayvietnam.com\/tuanta\/wp-json\/wp\/v2\/tags?post=749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}